package com.hnevc.chenqi;
/**
 * system类的使用
 * currentTimeMillis()获取当前系统的时间戳
 * arrayCopy()拷贝数据
 */
public class Example01 {
    public static void main(String[] args) {
        //获取当前系统时间戳
        long nowTime =System.currentTimeMillis();
        System.out.println(nowTime);
        int[] fromArray ={1,3,9,7,5,4,0,8};
        int[] toArray ={100,101,99,52,12,190};
        System.arraycopy(fromArray,3,toArray,4,2);
        for (int i = 0; i < toArray.length; i++) {
             System.out.println(toArray[i]);

        }
    }
}
